72514567 has 2 divisors, whose sum is σ = 72514568. Its totient is φ = 72514566.

The previous prime is 72514553. The next prime is 72514591. The reversal of 72514567 is 76541527.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72514567 - 2⁷ = 72514439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72514867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36257283 + 36257284.

It is an arithmetic number, because the mean of its divisors is an integer number (36257284).

Almost surely, 2^72514567 is an apocalyptic number.

72514567 is a deficient number, since it is larger than the sum of its proper divisors (1).

72514567 is an equidigital number, since it uses as much as digits as its factorization.

72514567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 37.

The square root of 72514567 is about 8515.5485436935. The cubic root of 72514567 is about 417.0054708512.

The spelling of 72514567 in words is "seventy-two million, five hundred fourteen thousand, five hundred sixty-seven".